protected List populateHistoryList(
HttpServletRequest request,
List historyRecords,
String rootNodeName,
String xslMappingFileName)
throws LIMSRuntimeException {
List list = new ArrayList();
try {
SystemUserDAO systemUserDAO = new SystemUserDAOImpl();
AuditTrailDAO auditTrailDAO = new AuditTrailDAOImpl();
for (int i = 0; i < historyRecords.size(); i++) {
History historyRecord = (History) historyRecords.get(i);
Timestamp date = historyRecord.getTimestamp();
String stringLocale = SystemConfiguration.getInstance().getDefaultLocale().toString();
String dateForDisplay = DateUtil.convertTimestampToStringDateAndTime(date, stringLocale);
SystemUser systemUser = new SystemUser();
systemUser.setId(historyRecord.getSysUserId());
systemUserDAO.getData(systemUser);
String blob = null;
if (!historyRecord.getActivity().equals(AUDIT_TRAIL_INSERT)) {
blob = auditTrailDAO.retrieveBlobData(historyRecord.getId());
}
// this is temporary until 2593 has been completed
if (historyRecord.getActivity().equals(IActionConstants.AUDIT_TRAIL_UPDATE)) {
blob = "<" + rootNodeName + ">" + blob + "</" + rootNodeName + ">";
}
if (!StringUtil.isNullorNill(blob)) {
HistoryXmlHelper historyXmlHelper = new HistoryXmlHelper();
historyXmlHelper.setActivity(historyRecord.getActivity());
historyXmlHelper.setUserName(systemUser.getNameForDisplay());
String media = null, title = null, charset = null, xsldata = "";
ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
try {
// NOTE!!!!
// in order to run this in oc4j I needed to do the following:
// add this to OC4J startup:
// -Djavax.xml.transform.TransformerFactory=org.apache.xalan.processor.TransformerFactoryImpl
// to make sure that oc4j uses correct XSL processor (else it could not handle "function
// extensions" used to bring in MessageResources labels
// place xalan.jar, xml-apis.jar, XercesImpl.jar into the applib folder of the oc4j
// installation
TransformerFactory tFactory = TransformerFactory.newInstance();
HttpSession session = request.getSession();
ServletContext context = session.getServletContext();
File xslFile =
new File(context.getRealPath("/WEB-INF/transformation/" + xslMappingFileName));
Source stylesheet = new StreamSource(xslFile);
Transformer transformer = tFactory.newTransformer(stylesheet);
System.out.println("This is blob " + blob);
transformer.transform(
new StreamSource(new StringReader(blob)), new StreamResult(outputStream));
} catch (TransformerConfigurationException tce) {
tce.printStackTrace();
} catch (TransformerException te) {
te.printStackTrace();
} catch (Exception e) {
e.printStackTrace();
}
System.out.println("This is xml " + outputStream.toString());
historyXmlHelper.setChange(outputStream.toString());
historyXmlHelper.setDate(dateForDisplay);
if (!StringUtil.isNullorNill(historyXmlHelper.getChange())) {
historyXmlHelper.setChange(historyXmlHelper.getChange().trim());
}
if (!StringUtil.isNullorNill(historyXmlHelper.getChange())) {
list.add(historyXmlHelper);
}
}
}
} catch (Exception e) {
throw new LIMSRuntimeException(e);
}
return list;
}
